shell bypass 403
<?php
/**
* Requirements Notice
*
* @package WPEL
* @category WordPress Plugin
* @version 2.3
* @link https://www.webfactoryltd.com/
* @license Dual licensed under the MIT and GPLv2+ licenses
*/
?>
<div class="notice notice-error is-dismissible">
<p>
<?php WPEL_Plugin::wp_kses_wf(__('The plugin <strong>WP External Links</strong> requires PHP version 5.3 or up and WordPress version 3.6 or up. <br>Please upgrade your PHP and/or WordPress. Deactivate the plugin to remove this message.', 'wp-external-links' ));
?>
</p>
</div>